How far is Berwyn, IL from Posen, IL?
The driving distance from Berwyn, IL to Posen, IL is about 307.6 miles (495.1 km), with a travel time of about 05h 54m by car.
- The straight-line flight distance is about 261.2 miles (420.4 km).
- For a round trip, plan for roughly 11h 49m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 54m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Berwyn and Posen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Berwyn and Posen.
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1
Start on West Cermak Road
2.5 mi · 5 min · West Cermak Road
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2
Turn right onto South Cicero Avenue
11.6 mi · 19 min · South Cicero Avenue
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3
Continue on Cicero Avenue
6.6 mi · 10 min · Cicero Avenue
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4
Turn left onto 167th Street
855 ft · 26 sec · 167th Street
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5
Take the ramp slight right toward I 57 South: Kankakee, I-80
3048 ft · 1 min
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6
Merge slight left
188.4 mi · 3 hr 24 min
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7
Keep slight left to continue on I 57 South: Memphis
61.1 mi · 1 hr 5 min
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8
Take the exit slight right toward I 64 West: Saint Louis
2049 ft · 50 sec
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9
Merge slight left
22.9 mi · 25 min
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10
Take the exit slight right toward IL 127
2109 ft · 51 sec
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11
Turn straight
10 mi · 12 min
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12
Turn left onto Posen Road
2.9 mi · 11 min · Posen Road
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13
Arrive at your destination
0 m · 1 sec · Posen Road
Car Route Details
A richer read on the saved driving route between Berwyn and Posen.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 57 South
Merge slight left
188 mi · 03h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Slight Chance Showers And Thunderstorms leaving Berwyn and Sunny near Posen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Berwyn to Posen?
The road trip is about 307.6 miles (495.1 km) and usually takes 05h 54m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Tuscola is a useful midpoint, sitting about 153.9 miles from Berwyn and 153.7 miles from Posen.
How much longer is the road route than the straight-line distance?
The direct path is about 261.2 miles (420.4 km), while the road route adds roughly 46.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.95 one way or $81.91 round trip. Estimated CO2 is about 96.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Berwyn and Sunny near Posen.
Stop Ideas Near Tuscola
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tuscola.
Illinois Terminal
Mattoon station
Rantoul
Danville, Illinois
Flight Path Map
This map shows the direct air route between Berwyn and Posen. Straight-line distance: 261.24 mi (420.42 km).
#1 Berwyn
A city in Cook County, Illinois.
| Population | 53,701 |
| Coordinates | 41.8505900, -87.7936700 |
| Altitude | 188 |
| Country | United States |
#2 Posen
Village in United States of America
| Population | 5,794 |
| Coordinates | 38.2583800, -89.3356400 |
| Altitude | 149 |
| Country | United States |
End: Posen (-89.33564, 38.25838)
Estimated Travel Time
Distance: 495 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 15m |
| 40 mph (64.37 km/h) | 07h 41m |
| 50 mph (80.47 km/h) | 06h 09m |
| 60 mph (96.56 km/h) | 05h 07m |
| 70 mph (112.65 km/h) | 04h 23m |
| 80 mph (129 km/h) | 03h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.95 | $81.91 |
| Mid-grade | $4.25 | $46.19 | $92.38 |
| Premium | $4.65 | $50.54 | $101.08 |
| Diesel | $5.30 | $57.60 | $115.20 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.